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A violinist draws the bow across the string. The sound begins exactly when the bow contacts the string and stops the moment the bow lifts.

C1-3-43 Steady State · sound_persistence principle: Temporal Alignment (Wave)
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MagiHumanGAIR-NLP · open
Per-prompt rubric

Basic standards

Visual presence

  • a violinist
  • a bow
  • a violin string

Event: a bow is drawn across a violin string

Audio presence

  • a violin

Sound: a bowed violin tone

Key standards

Visual physical commonsense (V-PC)

  • A violinist draws a bow across a violin string in continuous physically plausible bowing motion, with the bow visibly contacting the string at the playing position between the bridge and the fingerboard.

Audio physical commonsense (A-PC)

  • The audible tone has the sustained tonal quality of a bowed violin string.

Cross-modal physical commonsense (AV-PC)

  • The violin tone is audibly present whenever the bow visibly contacts the string.
  • The violin tone is audibly absent whenever the bow is visibly off the string.